SubLan Network On-Site Representative (NOSR)

Amentum; Groton, Northern (CT, KY); Hybrid; USD 59,000 - 73,000; Full time

Benefits offered by this job

Health insurance

Dental insurance

Vision insurance

Paid time off

401(k) matching

Educational reimbursement

Parental leave

Employee stock purchase plan

Tax-saving options

Disability and life insurance

Pet insurance

Job summary

Amentum is seeking a Submarine Network On-Site Representative (NOSR) for submarines homeported in Groton, CT. This full-time role supports onboard and TYCOM administration, trains fleet LAN administrators, and ensures submarine network readiness on US Navy platforms.

Candidates should have multi-year experience with SUBLAN/CANES, NTCSS HBSS, and NOSIS, and must obtain an IAT III certification and a Secret clearance. Amentum offers comprehensive health benefits and retirement plans.

Qualifications

• At least 3 years of hands-on experience with submarine networks and related systems (SUBLAN/CANES, NTCSS HBSS, NOSIS) on US Navy submarines or equivalent civilian work.
• At least 7 years of full-time experience operating or maintaining computer-controlled equipment for tests or real-time operations on naval ships/submarines.
• Ability to obtain IAT III certification by Feb 2025 and comply with DoD IA workforce requirements.
• Ability to obtain and maintain a Secret US Clearance (US Citizenship required).

Responsibilities

• Provide onboard and TYCOM administration support, guidance, system onboard training, and monitoring of Submarine Networks at the local ISIC/Submarine Squadrons.
• Provide support for Submarine Networks including limited non-Submarine Networks client support and non-Submarine Networks laptops/workstations.
• Mentor and provide instruction and training to fleet LAN administrators in Submarine Networks maintenance and administration procedures (system backups, switch configurations, software configurations, etc.)
• Conduct periodic assessments of submarine crew’s LAN administration capabilities
• Establish and provide ongoing periodic training to submarine crews

Tools

SUBLAN/CANES

NTCSS HBSS

NOSIS

Submarine Networks

Job description

Are you looking to continue providing IT support to the world’s finest submarine fleet? If so, Amentum may have the full-time, immediate position you are looking for, as a Submarine Network On‑Site Representative (NOSR) for submarines homeported in Groton, CT.

Essential Responsibilities

• Provide for onboard and TYCOM administration support, guidance, system onboard training, and monitoring of Submarine Networks at the local ISIC/Submarine Squadrons

• Provide support for Submarine Networks including limited non-Submarine Networks client support and non-Submarine Networks laptops/workstations

• Mentor and provide instruction and training to fleet LAN administrators in Submarine Networks maintenance and administration procedures (system backups, switch configurations, software configurations, etc.)

• Conduct periodic assessments of submarine crew’s LAN administration capabilities

• Establish and provide ongoing periodic training to submarine crews

Minimum Requirements

• Three (3) years of full-time, hands‑on experience in the installation, test, and/or maintenance of Submarine Local Area Networks (SUBLAN/CANES) Naval Tactical Command Support System (NTCSS) Host Based Security System (HBSS), NOSIS and, advanced information technology equipment and/or major network administration systems on board US Naval Submarines, or an equivalent civilian work experience outside of the military

• Seven (7) years of full‑time experience in the operation and/or maintenance of various computer‑controlled equipment used to perform tests, simulations, or real‑time operations such as installed forward control systems onboard Naval ships/submarines

• Ability to obtain IAT III certification by February 2025, [this position has been designated as a DoD Information Assurance (IA) workforce position in Information Assurance Technician Level III (IAT III) and as a condition of employment incumbents for this position are required to comply with the DoD IA workforce program requirements of , which include; Earn and maintain appropriate credentials from the DoD M8140.03 IA workforce Qualification Matrix (described in M8140.03) associated with specialty area and level commensurate with the scope of major assigned duties for the position to which assigned, and participate in a continuous learning program to maintain certification]

• Must be able to obtain and maintain a Secret US Clearance. Note: US Citizenship is required to obtain a Secret Clearance

Preferred Qualifications

• Active Secret US Government Clearance. Note: US citizenship is required to maintain a Secret clearance

• SubLAN/CANES experience on various classes of submarines includingVirginia class

Compensation Details

$43.00 - 52.88

The compensation range or hourly rate listed for this position is provided as a good‑faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.

Benefits Overview

Our health and welfare benefits are designed to support you and your priorities. Offerings include:

• Health, dental, and vision insurance

• Paid time off and holidays

• Retirement benefits (including 401(k) matching)

• Educational reimbursement

• Parental leave

• Employee stock purchase plan

• Tax‑saving options

• Disability and life insurance

• Pet insurance

Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.

Original Posting

09/01/2026 - Until Filled

Amentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.

Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race, sex, sexual orientation, pregnancy (including pregnancy, childbirth, breastfeeding, or medical conditions related to pregnancy, childbirth, or breastfeeding), age, ancestry, United States military or veteran status, color, religion, creed, marital or domestic partner status, medical condition, genetic information, national origin, citizenship status, low-income status, or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation, or any other protected category under federal, state, or local law. Learn more about your rights under Federal laws and supplemental language at Labor Laws Posters.